56126069 has 2 divisors, whose sum is σ = 56126070. Its totient is φ = 56126068.

The previous prime is 56126053. The next prime is 56126071. The reversal of 56126069 is 96062165.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44823025 + 11303044 = 6695^2 + 3362^2 .

It is a cyclic number.

It is not a de Polignac number, because 56126069 - 2⁴ = 56126053 is a prime.

It is a super-2 number, since 2×56126069² = 6300271242785522, which contains 22 as substring.

Together with 56126071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56126569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28063034 + 28063035.

It is an arithmetic number, because the mean of its divisors is an integer number (28063035).

Almost surely, 2^56126069 is an apocalyptic number.

It is an amenable number.

56126069 is a deficient number, since it is larger than the sum of its proper divisors (1).

56126069 is an equidigital number, since it uses as much as digits as its factorization.

56126069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 56126069 is about 7491.7333775302. The cubic root of 56126069 is about 382.8731181940.

The spelling of 56126069 in words is "fifty-six million, one hundred twenty-six thousand, sixty-nine".